NPPES file of Aug 9, 2026

Teri S. Gjerseth, CNM, APNP, FNP-C

Family Nurse Practitioner · Tomah, WI

Teri S. Gjerseth, CNM, APNP, FNP-C is a family nurse practitioner with a practice address in Tomah, Wisconsin, and NPI 1538484407, issued on Apr 2, 2010. Check the license (Wisconsin 4404-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538484407
Name
Teri Gjerseth
Credential
CNM, APNP, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
4404-33 WI
NM148848-032 WI
Self-reported in NPPES; status is on the state search
Practice location
505 Gopher Dr, Tomah, WI 54660
Phone
(608) 372-4111
Enumerated
Apr 2, 2010
Record last updated
Dec 31, 2025
Medicaid ID
1538484407 WI
Medicare enrollment
Enrolled (PECOS I20190701000987); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 505 Gopher Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tunyaluk Batchan, LMFTMarriage & Family Therapist1295506939
  2. Katherine Cleven, PSYDPsychologist1831883164
  3. Montserrat Del Olmo, MDFamily Medicine Physician1295223568
  4. Ashlie Dushek, PA-CMedical Physician Assistant1548812985
  5. Michelle Gavin, GNP, BCGerontology Nurse Practitioner1467749184
  6. Kayla Gilman, DNP, FNP-CFamily Nurse Practitioner1154977379

Verify Teri Gjerseth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 4404-33
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Wisconsin license search

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46% more Medicare Part D claims than the average family nurse practitioner in 2024

1,900 Medicare Part D claims for 204 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 32 claims were for opioids.

  1. Teri Gjerseth1,900
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium118 claims
  2. Lisinopril100 claims
  3. Levothyroxine Sodium93 claims
  4. Losartan Potassium58 claims
  5. Metformin Hcl Er56 claims
  6. Sertraline Hcl48 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score76.4
  2. Costout of 100 · 30%61.0
  3. Promoting interoperabilityout of 100 · 25%84.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Gundersen Clinic LtdTomah, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

20 family nurse practitioner records list a practice address in Tomah

They are 20 of the 697 NPPES records with a practice address in Tomah, and 2,814 family nurse practitioner records in Wisconsin.

Other family nurse practitioner records in Wisconsin

  1. Amanda Abaya, APNPAppleton, WI1053145193
  2. Monaliza Abdela, FNPBrookfield, WI1760288336
  3. Ayia AbdeljabbarOak Creek, WI1285386094
  4. Adetoun Abolurin, FNPOak Creek, WI1316411390
  5. Anne Abresch, NURSE PRACTITIONERMilwaukee, WI1578867479
  6. Sumar AbushaqraSheboygan, WI1023488475
  7. Lindsay AchesonMilwaukee, WI1457940264
  8. Tyler Adamczak, APNPChippewa Falls, WI1538031588
  9. Inez Adams, NPWest Allis, WI1255877544
  10. Samantha AdamsOshkosh, WI1467853622

Common questions

What is Teri S. Gjerseth, CNM, APNP, FNP-C's NPI number?

Teri S. Gjerseth, CNM, APNP, FNP-C's National Provider Identifier (NPI) is 1538484407, issued on Apr 2, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Teri S. Gjerseth, CNM, APNP, FNP-C located?

The NPPES record lists a practice address at 505 Gopher Dr, Tomah, WI, 54660. Phone: (608) 372-4111. Providers update this record themselves, so call before visiting.

How can I verify Teri S. Gjerseth, CNM, APNP, FNP-C's license?

NPPES lists Wisconsin license number 4404-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Teri S. Gjerseth, CNM, APNP, FNP-C prescribe under Medicare Part D?

In 2024, Teri S. Gjerseth, CNM, APNP, FNP-C had 1,900 Medicare Part D claims for 204 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Teri S. Gjerseth, CNM, APNP, FNP-C's MIPS final score?

The 2023 MIPS final score is 79.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.